Connection Of I/O Link (When Using Meldas64As/M64S/65/65S/66/66S) - Mitsubishi Electric MELDAS 60 Series Maintenance Manual

4.3 FCU6-MU021/MA031 Control Unit (MELDAS64AS/M64S/65/65S/66/66S compatible)

4.3.7 Connection of I/O Link (When using MELDAS64AS/M64S/65/65S/66/66S)

The I/O link is a function used to exchange various data between NC units. (System option function)
Connect the "AUX2" connectors found on the front of each control unit.
Up to three salve NC units can be connected to one master NC unit.
1) Connection example
The master station and slave station are set with the rotary switch "NCNO".
Turn ON the terminator changeover switch "SW2" for the master station and slave (final) station.
Connecting one master station and three slave stations
CAUTION
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Master station
(intermediate station)
NCNO
SW2
0
[ON]
AUX2
AUX2
(SH21 cable)
FCUA-R000 cable
• The FCUA-R001 cable or HR591 card is used to relay the control units.
• The maximum cable length between the master station and final station is 15m.
• Control units with the HR531/532B card can also be used.
NCNO
TFG
NCNO Set the station No. for the I/O link connection.
0 : Master station (only one station)
1 to 4 : Slave station (set as a serial No. from the master station)
SW2 Set the terminator
ON : The terminator is valid when the switch is set to the downward position. (Master/slave final station)
OFF : The terminator is invalid when the switch is set to the upward position. (Slave intermediate station)
AUX2 Connect the control unit for carrying out the I/O link connection.
AUX1 Connect the communication terminal.
TFG This is the FG terminal.
Incorrect connections could damage the device, so always connect the cable to the
designated connector.
Do not connect or disconnect the connection cables between each unit while the power is
ON.
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4. CONTROL UNIT
Slave station Slave station
(intermediate station)
NCNO
NCNO
SW2
1
[OFF]
AUX2
FCUA-R001 cable
(SH21 cable)
AUX-IN
FCUA-R000 cable
(SH21 cable)
FCUA-R000 cable
U
HR591 card
SW2
AUX1
0
AUX2
Refer to the above drawing for an example of the settings.
I-32
Slave station
(final station)
NCNO
SW2
SW2
2 3
[OFF]
[ON]
AUX AUX2 AUX-OUT
(SH21 cable)
FCUA-R000 cable